Meddle for cross-weaving



Patented Nov. I, I898.

.1-. B.. PATTERSON.

HEDDLE FOR CROSS WEAVING.

(Applieatibn filed Aug. 6, 1897.)

(No Model.)

I nven'tor.

Attorney.

UNrrnn Frn'rns PATE T Fries.

JAMES B. PATTERSON, OF PHILADELPHIA, PENNSYLVANIA.

SPECIFICATION forming part of Letters Patent No. 613,392, dated November1, 1898.

Application filed August 6, 1897. Serial No. 647,326. (No model.)

To all whom, it may concern.-

Be it known that I, J AMES B. PATTERSON, of the city and county ofPhiladelphia, State of Pennsylvania, have invented an Improvement inHeddles for Cross-Weaving, of which the following is a specification.

My invention relates to heddles for crossweaving; and it consists of theimprovements which are fully set forth in the following specificationand are shown in the accompanying drawings.

More particularly my invention relates to heddles designed forcross-weaving, and especially to the heddles or devices for effectingthe crossing of the warp-threads.

My invention relates to improvements in doup-heddles which control doupthreads or warps and operate to cross them over other threads or warpsin the formation of the sheds in weaving. These doup-heddles consist ofa series of strips or members combined with doup-needles which controlthe doup threads or warps and operate to lift them first on one side ofthe free warp and then on the other without the necessity of shiftingthe heddles laterally. In devices of this kind difficulty has beenexperienced heretofore in effecting the crossing of the threads withcertainty and precision, and this has been particularly the case in fineweaving, where the threads must be brought very close together.

The objects of my invention are to enable the crossing of the threads tobe efiected with facility and precision, to prevent the doupneedles fromcatching on or passing on the wrong side of threads, to enable thedonpheddles to performfine work, to enable the heddle members to beeasily and quickly put together and the doup-needles to be applied andremoved, to enable the doup-needles to move freely and without liabilityof binding or twisting, to maintain the heddle strips and needles whichcompose the heddle in proper position, and to simplify the construction.

My improvements relate particularly to the construction of theheddle-strips and donpneedles and to the combination thereof in theformation of the heddle.

I shall now refer to the accompanying drawings for the purpose of moreparticularly describing my improvements.

Figure l is a front elevation of aheddle strip or member embodying myinvention. Fig. 2 is a longitudinal vertical sectional View of the sameon the line 00 0c of Fig. 1. Fig. 3 is a transverse sectional view onthe line y y of Fig. 1. Fig. 4: is a perspective View of the detacheddoup-needle. Fig. 5 is a front view of a portion of a heddle made up ofmy improved heddle strips or members; and Figs. 6, 7 ,and 8 are diagramsillustrating the operation of the heddle-strips in crossing the warps.

A is the heddle-strip, consisting,preferably, of a flat strip of metalbent forward at about the middle to form a small shoulder or offset at,having the side edges 1) b of the lower portion bent inward to form alongitudinal guideway for the-doup-needle, with a flat base 0, and alsohaving a longitudinal guiding-eye d stampedor formed immediately belowthe' oifset or shoulder a and the two sides of the strips bent up toform guiding-wings e 6, ad jacent to the shoulder a. The strip Ais alsoformed with openings 0 0 above and below the guide cl to facilitate 'theapplication and removal of the needle and to form a guide therefor.

B is the doup-needle, which preferably has a body f of roundcross-section and is provided at the top with an eye 9 and at some pointin its length, preferably at the base, with a flattened guide h, adaptedto the guideway formed by the fiat base 0 and bent edges 1) b of thestrip A.

The eye 9 is preferably formed by fiatten ing the end of the needle Btransversely to the flattened guide 7L on the body of the needle and hasits head tapered, as at i i, so as to prevent the free thread fromcatching thereon and to assist in properly guiding the thread over theneedle. The eye-opening is preferably elongated and extends to as greatextent as possible to the top of the eye, so as to bring the donp-needlethread as close as the strip A, (its downward movement being limited bya stop,) and the flattened guide h travels in the guide in the base ofthe strip A. As the guide his flattened and travels in acorrespondiugly-flattened guideway in the strip A, the needle I will beheld against turning, so that the eye g, which is arranged transverselyto the guide 71, will be maintained in proper position. By making thebody of the needle B round and using the small flattened guide 72.friction is reduced to a minimum, and there is consequently littleliability of the needle to bind in the guide of the strip A and not tomove freely thereon, as is necessary to the successful operation of theheddle.

The harness is composed of a series of the strips A, arranged adjacentto one another, as illustrated in Fig. 4. To enable the strips to beeasily placed together and to be properly spaced, as well as to preventthe twisting or turning of any of the strips, which would be liable tointerfere with the crossing of the threads, I preferto bend over theends of the strips, as at j, to form a loop having two parallel sides7.2, which are provided with openings 6 Z to receive the heddle wire orstrip 0. The strips A A are placed side by side on the heddle wire orstrip C, with the bentover loops butted together, which thus act to keepthe strips properly spaced apart. As the heddle-bar 0 passes through theopenings Z Z in the two pieces 70 7c of the loop the heddle-strips willbe firmly supported and prevented from twisting or turning.

At the base I prefer to bend the strip, as at m, to form a shoulderwhich acts as astop to limit the downward movement of the doupneedle Band to maintain its eye 9 in proper position. The lower end of the stripis provided with an opening at to receive the heddle-bar D.

I prefer to leave the side edges 1) b, which form the sides of theneedle-guideway on the strip A, open at the base adjacent to the stop orshoulder m. This prevents the end of the guideway from becoming closedor clogged up,which might interfere with the free movements of thedoup-needle,and also facilitates the application of the needle to thestrip and its removal therefrom. To remove the needle, the lower end,which is provided with the guide-wing 71, is drawn down and sprungoutward free from the stop or shoulder m, when the needle may be readilydrawn out, the openings 0 0, adjacent to the guiding-eye cl, permittingthe needle-eye g to be disengaged. To apply the needle, the operation isreversed. The needle is pushed upward in the guideway 0 until the eye 7is immediately below the needle guideway 61, when the eye is passedbehind the guide d through the openings 0 0, and the guide-wing h issimultaneously sprung over the shoulder m into engagement with theguideway 11 b c.

In Figs. 6, 7, and S I have illustrated the operation of the heddle incrossing the threads. sis the free thread or warp, and t is thedoupneedle thread or warp, which passes through the eye g of thedoup-needle B.

It is under-' stood that the free warp of one heddle may be thedoup-needle warp of another heddle, and vice versa.

When the heddle and doup-needle are at rest, as in Fig. 6, the free warp.9 lies above the eye Z) of the doup-needle. \Vhen the (loopneedlethread is lifted, which is accomplished by suitable heddles orlifting-wires, (not shown,) the needle 13 is lifted also and passesabove and outside of the free warps, as shown in Fig.7. This is effectedbecause the free warp lies above the wings a 6 inside of the line ofmovement of the doup-needle. IVhen the warp i is released, thedoup-needle falls back into its former position, carrying the warp ifwith it. hen the heddle-strip A is lifted, the doup-needle and warp tare lifted also and pass above the free warps, which is, however, pushedoutward by the wings c a, so that it lies on the outside of the needleB, crossed over the doup-needle thread, as shown in Fig. 8.

I do not limit myself to the details of construction which have beenshown for the purpose of illustration, as they may be varied withoutdeparting from the invention.

Having now described my invention, what I claim as new, and desire tosecure by Letters Patent, is as follows:

1. A heddle strip-or member bent in its length to form an offset andprovided with a thread-guiding projection and a needle-guide adjacent tosaid offset, and having the side edges of its lower portion bent as at1),?) to form a guideway with a fiat base 0, in combination with adoup-needle provided with a fiat guide-wing h adapted to the guideway ofthe strip and moving on the fiat base 0 thereof.

2. A heddle strip or member bent in its length to form an offset andprovided with a threadguiding projection and a needle-guide adjacent tosaid offset, and having the side edges of its lower portion bent as at bb to form a guideway with a fiat base a, in combination with adoup-needle, provided with a fiat guide-wing 7L, adapted to the guidewayof the strip, and moving on the flat base 0 thereof, and having, at itsupper end, a fiattened eye g, arranged transversely to the flatguide-wing 7L.

3. A heddle strip or member bent in its length to form an offset andprovided with a thread-guiding projection and a needle-guide adjacent tosaid offset, and having the side edges of its lower portion bent as at bb to form a guideway with a flat base 0, in combination with adoup-needle, provided with a flat guide-wing h, adapted to the guidewayof the strip, and moving on the fiat base 0 thereof, and having, at itsupper end, a flattened eye g, with the side edges of its heads taperedas at M, arranged transversely to the flat guide-wing h.

4. A heddle strip or member having the side edges of its lower portionbent as at b, b, to form a longitudinal guide with a flat base 0, incombination with a doup-needle provided with a flat guide-Wing, adaptedto the guide at m to form a shoulder, and provided near 10 of the stripand moving on the fiat base 0 its extremitywith an openingn,substantially thereof. as and for the purpose described.

5. The heddle-strip, consisting of a flat piece In testimony of whichinvention I hereunto of metal bent in, its length to form an offset setmy hand.

a, and provided with a needle-guide adjacent JAMES B. PATTERSON.thereto, and having one end bent as at j to Witnesses: form a loop,having two sides 70 It provided WM. R. SNYDER,

with openings 1,1, and its other end bent as ERNEST HOWARD HUNTER.

